//sys/bus/platform/drivers/serial8250/serial8250/tty:ttyS2/subsystem/ptmx/subsystem/tty34/subsystem/tty52/subsystem/tty23/subsystem/ttyS2/subsystem/tty60/subsystem/tty20/subsystem/tty45/subsystem/tty14/subsystem/tty17/subsystem/tty/subsystem/tty30/subsystem/tty63/subsystem/tty6/subsystem/tty61/subsystem/tty62/subsystem/tty3/subsystem/tty39/subsystem/tty21/uevent